Lars Aronsson wrote:
Is this sufficient? Isn't it also the case that
modifications must be submitted back to the original source?
I'm asking because I don't know these details of FDL.
No, that's not a condition of the GFDL.
The biggest problem we currently have with incorporating material via
the GFDL is that if it contains invariant sections (for example, an
invariant section which amounts to a link back to the original), our
end users can include that only by putting it bodily into the article,
where some other person, license-unaware, may delete it at some point
in the future.
Perhaps we need a way to add invariant sections for stuff incorporated
from elsewhere, as a separate database field, say, one which can't be
But we want to be careful with this. I think it would be unfortunate
if individual authors here started adding invariant sections to the
stuff released to the project.